Trebinje weather in October

In October, Trebinje sees average daytime highs of 18°C and overnight lows near 11°C, with 194 mm of rain across 10.8 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 46% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 h 06 min by month's end. Set against the rest of the year, October is Trebinje's 5th-clearest and 7th-windiest month. For the whole year in context, see Trebinje's year-round climate.

Daytime high
18°
6th warmest
Overnight low
11°
7th coldest
Rainfall
194 mm
10.8 wet days
Daylight
10 h 48 min
6:07 AM – 4:56 PM
Cloud cover
47%
5th clearest
Wind
10 km/h
7th windiest
Solar energy
3.1 kWh/m²
Travel score
5.9
out of 10

Trebinje is city in Bosnia and Herzegovina.

Density
39/km²
people per km²
Founded
2012

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 16°C by the end.

A typical October day in Trebinje reaches about 18°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, October runs about 4°C cooler than September and about 5°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12013
22013
32013
42013
51913
61912
71912
81912
91912
101912
111912
121812
131812
141811
151811
161811
171811
181811
191711
201711
211710
221710
231710
241710
251710
261710
271610
281610
291610
30169
31169

How October really feels in Trebinje

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Trebinje weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 15711.23.39.21.2
Feb / 15210.93.410.31.6
Mar12° / 14111.32.411.63.0
Apr15° / 13913.40.613.14.2
May19° / 12°9811.5014.46.1
Jun23° / 16°608.5015.17.4
Jul26° / 18°446.9014.87.8
Aug26° / 18°496.6013.77.7
Sep22° / 15°1339.1012.37.1
Oct18° / 11°19410.8010.85.9
Nov13° / 24913.20.69.63.5
Dec / 20613.12.18.91.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36238
46238
56139
66139
76139
86040
96040
106040
116040
126040
136040
146040
156040
166040
176040
186040
196040
206139
216139
226139
236040
246040
256040
266040
275941
285941
295941
305743
315743

Chance of precipitation in October

Any precipitation

Trebinje gets around 194 mm of rain over 10.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
236
336
437
537
637
738
838
938
1038
1138
1238
1338
1437
1537
1636
1736
1835
1935
2034
2133
2232
2332
2431
2531
2631
2731
2831
2932
3032
3133

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
159347
259347
360346
461336
562335
663325
764315
866304
967294
1068284
1171263
1272253
1373243
1475223
1577212
1679192
1780182
1881172
1982162
2083152
2185141
2286131
2387121
2488111
2588111
2689101
2790100
2890100
299190
309190
319190

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 5:49 AM to 6:26 AM, and sunset from 5:22 PM to 4:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:495:22
211.55:515:20
311.45:525:18
411.45:535:16
511.35:545:15
611.35:555:13
711.25:565:11
811.25:585:09
911.15:595:08
1011.16:005:06
1111.16:015:04
1211.06:025:03
1311.06:045:01
1410.96:054:59
1510.96:064:58
1610.86:074:56
1710.86:084:55
1810.76:104:53
1910.76:114:51
2010.66:124:50
2110.66:134:48
2210.56:154:47
2310.56:164:45
2410.46:174:44
2510.46:184:42
2610.46:204:41
2710.36:214:40
2810.36:224:38
2910.26:244:37
3010.26:254:36
3110.16:264:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.1 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.92 kWh/m² in July across the year — October's 3.1 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.5Moderate
Planning a trip in October

Is October a good time to visit Trebinje?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.9
Sightseeing
6th-best month of the year
1.9
Beach & pool
6th-best month of the year

October is a reasonable time to visit Trebinje for sightseeing.

What to pack for Trebinje in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Trebinje sees daytime highs around 18°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Trebinje in October

The nearest coast averages about 21°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 28 to Oct 28 — about 5.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Trebinje in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trebinje peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 17UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5High
Apr7Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Trebinje?

Trebinje sits at 42.7°N, 18.3°E, 278 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Dubrovnik, 21 km away.

DubrovnikHerceg NoviPerastTivatKotorNikšić

Topography around Trebinje

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Trebinje.

Within 3 km, the terrain around Trebinje has large variations in elevation — a maximum elevation change of 680 m around an average of 434 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,536 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,429 m.

The land around Trebinje is covered by grassland (34%), shrubs (23%) and trees (20%) within 3 km, trees (53%), grassland (22%) and shrubs (20%) within 16 km, and trees (41%), water (28%) and grassland (23%) within 80 km.

3 km
680 m
16 km
1,536 m
80 km
2,429 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Dubrovnik 21 km · Herceg Novi 33 km · Perast 38 km · Tivat 42 km · Kotor 48 km · Nikšić 50 km · Cetinje 59 km · Budva 62 km

Bosnia and Herzegovina travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$10,382
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
86%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
13.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 591
Religion
Muslim 51%Orthodox 31%Roman Catholic 15%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Trebinje (42.712°, 18.3436°, elevation 278 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).